期刊
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
卷 2013, 期 25, 页码 4443-4449出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201300370
关键词
Supported catalysts; Doping; Nanoparticles; Hydrothermal synthesis; Ceria
资金
- National Natural Science Foundation of China (NSFC) [21076115, 21276142]
Ceria nanoparticles with 4 and 7 atom-% manganese dopant were synthesized through a template-free solvothermal method. The structure of the samples was characterized by powder X-ray diffraction (XRD). Monodispersed nanospheres of average size 130 nm were observed in transmission electron microscopy (TEM), high resolution transmission electron microscopy (HRTEM), and field-emission scanning electron microscopy (FE-SEM) analyses. Manganese ions were introduced into the system and it is confirmed that the Mn species dissolve within the CeO2 lattice by Raman spectroscopy and X-ray photoelectron spectroscopy (XPS). Furthermore, the as-obtained Mn-doped ceria nanoparticles revealed superior catalytic performance in CO oxidation in contrast with pure CeO2 prepared by the same route.
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